Browse and search our easy-to-use site for a wide range of Mini Excavators and more from listing members like HIGH TECH INDUSTRIES and others. Find CATERPILLAR 306E you need on MarketBook! Explore 1 new and used CATERPILLAR 306E Excavators with prices currently ranging from $28,464 to $36,597. Find Attachments for your CATERPILLAR 306E.